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PAGE 44 — INDUSTRIAL GENERATOR SETS — APPLICATION & INSTALLATION MANUAL — REV. #4 (09/07/07)
MECHANICAL INSTALLATION — FUEL SYSTEM
TABLE 16. LIQUID PROPANE SCHEDULE 40 IRON PIPE SIZING
Length of
Pipe, ft.
Pipe Size, in.
1/2
(0.622)
3/4
(0.824)
1
(1.049)
1 1/4
(1.38)
1 1/2
(1.61)
2
(2.067)
3
(3.068)
3 1/2
(3.548)
4
(4.026)
30
733 1532 2885 5924 8876 17094 48164 70519 98238
40
627 1311 2469 5070 7597 14630 41222 60355 84079
50 556 1162 2189 4494 6733 12966 36534 53492 74518
60 504 1053 1983 4072 6100 11748 33103 48467 67519
70 463 969 1824 3746 5612 10808 30454 44589 62116
80
431 901 1697 3484 5221 10055 28331 41482 57787
90
404 845 1593 3269 4899 9434 26583 38921 54220
100
382 798 1504 3088 4627 8912 25110 36764 51216
150
307 641 1208 2480 3716 7156 20164 29523 41128
200
262 549 1034 2122 3180 6125 17258 25268 35200
250
233 486 916 1881 2819 5428 15295 22395 31198
300 211 441 830 1705 2554 4919 13859 20291 28267
350 194 405 764 1568 2349 4525 12750 18667 26006
400
180 377 711 1459 2186 4209 11861 17366 24193
450
169 354 667 1369 2051 3950 11129 16295 22700
500
160 334 630 1293 1937 3731 10512 15391 21442
600
145 303 571 1172 1755 3380 9525 13946 19428
700
133 279 525 1078 1615 3110 8763 12830 17873
800
124 259 488 1003 1502 2893 8152 11936 16628
900
116 243 458 941 1409 2715 7649 11199 15601
1000
110 230 433 889 1331 2564 7225 10579 14737
1500
88 184 348 713 1069 2059 5802 8495 11834
2000
76 158 297 611 915 1762 4966 7271 10128
Figure 13. Typical Pipe Schematic for Propane Liquid Distribution
Please observe the following when servicing natural gas
or LPG supply lines:
• Open any valve SLOWLY.
• DO NOT remove plugs or caps on connections if
shut off valves leak.
• Make sure all unloading connections are tight.
• DO NOT tamper with relief valves.
• NEVER place your face or any other part of your
body over safety relief valves.